How to revoke access to users who had ssh-copy-id from my server

I have changed password in my Ubuntu server. But I've noticed I still cann ssh becaus I have done ssh-copy-id before. I want to revoke access to myself and other users who may have copied the ssh key.

I have already changed the password, now I need something like creating a new key or revoking access to users who had been granted.

Replay

Delete ~user/.ssh/authorized_keys to disallow user from connecting using any ssh keypair; or edit it to delete specific keypairs.

If they all have been granted access to same user on server, then you should open /home/user/.ssh/authorized_keys - this is usually the path to file where ssh stores public keys of users that are allowed to login.

If is is there, then just delete keys that you want - they usually have comment after them indicating username/hostname where they were generated.

Category: linux Time: 2016-07-28 Views: 0

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